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Polarization signals in the marine environment
Although natural light sources produce depolarized light, partially linearly polarized light is naturally abundant in the scenes animals view, being produced by scattering in air or water or by reflection from shiny ...
Polarization Vision and Its Role in Biological Signaling
(Oxford University Press, 2003-08-01)
Visual pigments, the molecules in photoreceptors that initiate the process of vision, are inherently dichroic, differentially absorbing light according to its axis of polarization. Many animals have taken advantage of this ...